<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>html子应用</title>
    <style>
      .container{
        padding: 20px;
        font-size: 20px;
        color: #333;
      }
    </style>
  </head>
  <body>
    <div class="container">
      纯原生HTML子应用
    </div>
    <script src="./js/main.js"></script>
  </body>
</html>
